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ACB-2320B

ADAPTEC, INC.

ACB-2320B

Data bus:

16-bit, ISA

Size:

Full-length, full-height card

Hard drives supported:

Two RLL ESDI drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

20-pin data cable connector-drive 0

J1

20-pin data cable connector-drive 1

J2

34-pin control cable connector-hard drive

J3

4-pin connector-drive active LED

J4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive address 1F0-1F7h

J5/jumper 1

open

 

Hard drive address 170-177h

J5/jumper 1

closed

Zero wait state enabled

J5/jumper 3

open

 

Zero wait state disabled

J5/jumper 3

closed

Read ahead cache enabled

J5/jumper 5

open

 

Read ahead cache disabled

J5/jumper 5

closed

Hard Drive Interrupt is IRQ14

J12

pins 1 & 2 closed

 

Hard Drive Interrupt is IRQ15

J12

pins 2 & 3 closed

 

Not used

J12

pins 3 & 4 open

BIOS address C800h

J13

pins 1 & 2 closed

 

BIOS address CC00h

J13

pins 2 & 3 closed

 

BIOS disabled

J13

open

MISCELLANEOUS TECHNICAL NOTES

J5/jumpers 2, 4, 6 & 7 are Not used.